svn commit: r222279 - head/sys/geom/part

Andrey V. Elsukov ae at FreeBSD.org
Wed May 25 09:32:19 UTC 2011


Author: ae
Date: Wed May 25 09:32:19 2011
New Revision: 222279
URL: http://svn.freebsd.org/changeset/base/222279

Log:
  Do not truncate available disk space to the closest track boundary.

Modified:
  head/sys/geom/part/g_part_mbr.c

Modified: head/sys/geom/part/g_part_mbr.c
==============================================================================
--- head/sys/geom/part/g_part_mbr.c	Wed May 25 08:42:01 2011	(r222278)
+++ head/sys/geom/part/g_part_mbr.c	Wed May 25 09:32:19 2011	(r222279)
@@ -253,15 +253,14 @@ g_part_mbr_create(struct g_part_table *b
 {
 	struct g_provider *pp;
 	struct g_part_mbr_table *table;
-	uint32_t msize;
 
 	pp = gpp->gpp_provider;
 	if (pp->sectorsize < MBRSIZE)
 		return (ENOSPC);
 
-	msize = MIN(pp->mediasize / pp->sectorsize, UINT32_MAX);
 	basetable->gpt_first = basetable->gpt_sectors;
-	basetable->gpt_last = msize - (msize % basetable->gpt_sectors) - 1;
+	basetable->gpt_last = MIN(pp->mediasize / pp->sectorsize,
+	    UINT32_MAX) - 1;
 
 	table = (struct g_part_mbr_table *)basetable;
 	le16enc(table->mbr + DOSMAGICOFFSET, DOSMAGIC);
@@ -470,7 +469,7 @@ g_part_mbr_read(struct g_part_table *bas
 
 	basetable->gpt_entries = NDOSPART;
 	basetable->gpt_first = basetable->gpt_sectors;
-	basetable->gpt_last = msize - (msize % basetable->gpt_sectors) - 1;
+	basetable->gpt_last = msize - 1;
 
 	g_free(buf);
 	return (0);


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